Casper Weather Forecast

    • 37
    • 45

    Breezy

    • 29
    • 52

    Chance Rain/Snow

    • 41
    • 54

    Breezy

    • 22
    • 54

    Chance Rain/Snow

    • 32
    • 47

    Mostly Cloudy

    • 33
    • 52

    Partly Sunny

    • 29
    • 53

    Partly Sunny

Today 8 Dec Natrona County Lower Elevations

Partly cloudy and breezy. Highs in the mid 40s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 8 Dec Natrona County Lower Elevations

Partly cloudy late this Evening, then becoming mostly cloudy. Windy with Lows in the lower 30s. Southwest Winds 20 to 30 Mph. Gusts up to 40 Mph, increasing to 50 Mph after midnight.

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Casper Temperature Statistics

December Temperature

Casper, Natrona County International Airport (8.1 miles)

  • Lowest 1 December, 2025

    6.1 °F

  • Average December

    28.7 °F

  • Highest 6 December, 2025

    45 °F

Climate (2020–Present)

Casper, Natrona County International Airport (8.1 miles)

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  • Average Low 2020–2025

    32.8 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    60.3 °F
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